100 Grams of Powdered Sugar to Cups

100 grams of powdered sugar is approximately 0.83 US cups. See the kitchen estimate, calculation basis, and nearby amounts below.

100 grams of powdered sugar =

0.83 US cups

Kitchen estimate

¾ cup + 1 tablespoon + 1 teaspoon

Conversions are approximate and may vary by ingredient brand, packing, humidity, and measuring method. Spoons: 15 ml tablespoon, 5 ml teaspoon. Kitchen estimates have up to 10% volume rounding error; very small amounts use a threshold. See Methodology for the policy.

Based on 1 US cup of powdered sugar = 120g

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Convert another powdered sugar amount Enter any gram amount and use the full common conversion table. Compare 100 grams across ingredients See how the same weight changes across ingredient densities. Learn how to measure powdered sugar Review its states, measuring method, varieties, and use context.

Calculation basis

100g ÷ 120g/cup = 0.8333 cups

The result is rounded to 0.83 cups only for display; the calculation itself isn't rounded.

Measurement basis

Ingredient and cup standard: Powdered sugar · US cup / 240 ml · 120g
Measuring step this site recommends: unsifted · spooned and leveled

Powdered sugar is light and airy, so spoon it into the cup and level it rather than packing it down.

Adopted source: USDA FoodData Central — Sugars, powdered (FDC 169656) · verified 2026-08-04

Method the source states: unsifted; method not stated

Nearby powdered sugar amounts

50g → 0.42 cups ⅓ cup + 1 tablespoon + 1 teaspoon 125g → 1.04 cups 1 cup + 2 teaspoons 200g → 1.67 cups 1 ⅔ cups 250g → 2.08 cups 2 cups + 1 tablespoon + 1 teaspoon

Results by cup size

Cup size	100g in cups
US cup / 240 ml	0.83 cups
US customary cup / 236.6 ml	0.85 cups
Metric cup / 250 ml	0.80 cups